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professional-program-11-FunctionTemplate-FindTemplateOverload.c

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  include <iostream>
  include <cstring>
  using namespace std;
  
  template <typename T>
  int Find(T& value, T* arr, int size)
  {
    cout << "original\n";
    for (int i = 0; i < size; i++) {
      if (arr[i] == value) {
        // found it; return the index
        return (i);
      }
    }
    // failed to Find it; return -1
    return (-1);
  }
  
  int Find(char*& value, char** arr, int size)
  {
    cout << "overload\n";
    for (int i = 0; i < size; i++) {
      if (strcmp(arr[i], value) == 0) {
        // found it; return the index
        return (i);
      }
    }
    // failed to find it; return -1
    return (-1);
  }
  
  int main(int argc, char** argv)
  {
    char* word = "two";
    char* arr[4] = {"one", "two", "three", "four"};
    int res;
  
    res = Find<char *>(word, arr, 4); // Calls the Find template with T=char *
    res = Find(word, arr, 4); // Calls the Find non-template function.
    cout << res << endl;
  
    return (0);
  }
  


(C) Æliens 20/2/2008

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